:root {
  color-scheme: light;
  --red: #d71920;
  --deep-red: #a80d16;
  --ink: #17181b;
  --muted: #6f7580;
  --surface: #f6f7f9;
  --line: #e7e8eb;
  --green: #13875b;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 90% 0%, rgba(215, 25, 32, 0.08), transparent 32rem),
    var(--surface);
  color: var(--ink);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: var(--red);
}

.shell {
  width: min(860px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 72px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  box-shadow: 0 8px 24px rgba(168, 13, 22, 0.2);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
  font-weight: 650;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.hero {
  padding: clamp(30px, 7vw, 64px);
  overflow: hidden;
  border-radius: 30px;
  background:
    radial-gradient(circle at 85% 20%, rgba(255, 125, 61, 0.75), transparent 38%),
    linear-gradient(135deg, var(--red), var(--deep-red));
  box-shadow: 0 24px 70px rgba(168, 13, 22, 0.18);
  color: white;
}

.eyebrow {
  margin: 0 0 10px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(34px, 7vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.lead {
  max-width: 650px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 17px;
}

.meta {
  display: inline-flex;
  margin-top: 24px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
}

.content {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.card {
  padding: clamp(22px, 5vw, 34px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: white;
  box-shadow: 0 12px 40px rgba(20, 24, 32, 0.05);
}

.card h2 {
  margin: 0 0 12px;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.card h3 {
  margin: 24px 0 8px;
  font-size: 17px;
}

.card p,
.card ul,
.card ol {
  margin-top: 8px;
  color: var(--muted);
}

.card li + li {
  margin-top: 8px;
}

.callout {
  border-color: rgba(19, 135, 91, 0.18);
  background: #f2faf7;
}

.danger {
  border-color: rgba(215, 25, 32, 0.18);
  background: #fff6f6;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: 12px;
  padding: 0 20px;
  border-radius: 14px;
  background: var(--red);
  color: white;
  font-weight: 750;
  text-decoration: none;
}

.footer {
  padding-top: 28px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 20px, 860px);
    padding-top: 18px;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    gap: 8px 16px;
    justify-content: flex-start;
  }

  .hero {
    border-radius: 24px;
  }
}